Get Advances in Microbial Physiology, Vol. 8 PDF

By Anthony H. Rose, D. W. Tempest

ISBN-10: 008057968X

ISBN-13: 9780080579689

ISBN-10: 0120277085

ISBN-13: 9780120277087

This quantity in a research-level sequence covers different elements of microbial body structure and biochemistry together with inositol metabolisms in yeasts, bacterial adhesion, natural acids, the bacterial flagellum and the mechanical behaviour of bacterial telephone partitions. it's meant to be of use to microbiologists, biochemists and biotechnologists. different similar works during this sequence are volumes 29, 30 and 31.

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11) which is formed by the reaction of phospliatidic acid with CTP (Carter, 1968; McCamen and Finnerty, 1908). An analogous reaction wan previously dcrnon~tratcdi n guinca-pig liver (Carter ant1 Iienncdy, 1WXi). Kwincdy i L n d l i i H coworkwH showr*d that two pathways of phospholipid biosynthesis bmnch off’ from CiJ1’diglyceride in E . coli. One pathway leads first to j’hospiiutidyleeririo by reaction of CDP-diglyceride with free L-serine (Kanfcr and Kennedy, 1904). Phosphatidylserine is then rapidly deoarboxylatcd to yield phosphatidylethanolamine ; thus, the steady-state pool of phosphatidylserine in E .

Phosphatidylglycerol, phosphatidic acid, curdiolipin and phosphatidylserine as well as phosphatidylethanolamiiic were active precursors in vitro in the presence of the cyclopropane synthetase from CZ, butyricum. coli form cyclopropane fatty acids on phosphatidylglyccrol and cardiolipin in addition to phosphatidylethanolamine. Cyclopropane fittty-acid synthetase has also been domonstrated in extracts of AtroOacter aerogen,es and Lactobacillus arabinosus (O'Loary, 1965). Cyclopropanc ftitty acids have been found in a variety of bacteria.

OMPAlL41'IVE ASPECTS Olr UAUTEltIAL LIPIUH 23 coenzyme-A esters of palmitate and stearate to palmitoleate and oleate, respectively, using extracts from yeast. , 1964). Bloch (1964) has also reported that desaturation of preformed fatty acids occurs in J'treptomyces venezuelae, the blue-green alga Anabena variabilis and the protozoan Tetrahymena pyriformis. , 1959; Imai, 1961), and in Euglena (Nagai and Bloch, 1966). Using extracts of Euglena, Nagai and Bloch (1968) showed that preparations from dark-grown cells deseturated stearyl-CoA to yield oleyl-CoA but did not desaturate stearyl-acyl carrier protein.